Is E11.9 a billable ICD-10-CM code?

Yes. E11.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E11.9 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Diabetes mellitus (E08-E13).

What cannot be coded together with E11.9?

E11.9 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

E11.9

E11.9 — Type 2 diabetes mellitus without complications

Billable / specific codeICD-10-CM

E11.9 is a billable, specific ICD-10-CM code for type 2 diabetes mellitus without complications. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

type 2 diabetes mellitus, without complications in remission (E11.A)

Other codes that can never be billed with E11.9

These codes carry an Excludes1 note pointing at E11.9. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading E11.9 alone.

E11.AType 2 diabetes mellitus without complications in remission

Risk adjustment

E11.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 38 Diabetes with No, Glycemic, or Unspecified Complications0.166 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

E11.9 is named in 37 Medicare coverage policies — 37 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52464Glucose Monitor - Policy Article
A52501Therapeutic Shoes for Persons with Diabetes - Policy Article
A52507External Infusion Pumps - Policy Article
A52996Billing and Coding: Routine Foot Care

How E11.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E11.9.

Diabetes, diabetic(mellitus) (sugar)
Diabetes, diabetic›type 2

There’s a guided path to this code

Not sure E11.9 is the right one? Answer a few questions about what the chart documents and we’ll walk you to the code that follows from it.

Type 2 diabetes: chart note to code

Related codes at this level

Codes that share E11. If E11.9 is not quite right, the correct code is usually one of these.

Questions about E11.9

Is E11.9 a billable ICD-10-CM code?: Yes. E11.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E11.9 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Diabetes mellitus (E08-E13).
What cannot be coded together with E11.9?: E11.9 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.